Structurally, the configuration sits opposite the Self palace (命宮) on the Self–Travel (命遷線) axis, and forms the inside–outside axis with Self: Spouse · Travel · Fortune · Self. Tian Fu does not undergo the Four Transformations directly — sits as structural anchor of the Tian Fu system.
Practitioner reading places the configuration where heavenly treasury — custodian of accumulated value meets the chart-holder’s travel, public reception, and mobility: the chart-holder tends to bring custodial steadiness to who the person is abroad — at meetings with strangers, on stages, in foreign settings.
At textbook level, the configuration tends to produce asset managers, family-office executives, senior administrators, custodial finance roles, with the the public face and how mobility shapes opportunity taking on reservoir-keeping. Tian Fu’s characteristic risk — wealth that gets defended against repeated tests when killings sit nearby — surfaces specifically through travel and public reception when supporting conditions are absent. Pairings with Zi Wei reinforce this picture; pairings with the Four Killings (擎羊, 陀羅, 火星, 鈴星) sharing or opposing the palace can flip it.
The four layers a practitioner-grade reading examines but this reference does not develop: which auxiliary stars (左輔, 右弼, 文昌, 文曲, 天魁, 天鉞) share or oppose the palace, whether any of the Four Killings (擎羊, 陀羅, 火星, 鈴星) sit in the same or opposing palace, whether self-transformations (自化) on adjacent palaces alter the configuration’s energy, and how the current 10-year and annual luck cycles activate or suppress what sits in the Travel Palace and the opposing Self Palace. Synthesising these layers across a real chart is the practitioner skill the Zi Wei Dou Shu Masterclass teaches.